--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"\r
+ "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\r
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">\r
+<head>\r
+<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />\r
+<meta name="generator" content="AsciiDoc 8.6.10" />\r
+<title>nvme-lba-status-log(1)</title>\r
+<style type="text/css">\r
+/* Shared CSS for AsciiDoc xhtml11 and html5 backends */\r
+\r
+/* Default font. */\r
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+/*\r
+ * xhtml11 specific\r
+ *\r
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+ margin-top: 1.0em;\r
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+ border-bottom-style: none;\r
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+/*\r
+ * html5 specific\r
+ *\r
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+ margin-bottom: 1.5em;\r
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+}\r
+th.tableblock.valign-bottom, td.tableblock.valign-bottom {\r
+ vertical-align: bottom;\r
+}\r
+\r
+\r
+/*\r
+ * manpage specific\r
+ *\r
+ * */\r
+\r
+body.manpage h1 {\r
+ padding-top: 0.5em;\r
+ padding-bottom: 0.5em;\r
+ border-top: 2px solid silver;\r
+ border-bottom: 2px solid silver;\r
+}\r
+body.manpage h2 {\r
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+body.manpage div.sectionbody {\r
+ margin-left: 3em;\r
+}\r
+\r
+@media print {\r
+ body.manpage div#toc { display: none; }\r
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+\r
+\r
+</style>\r
+<script type="text/javascript">\r
+/*<+'])');\r
+ // Function that scans the DOM tree for header elements (the DOM2\r
+ // nodeIterator API would be a better technique but not supported by all\r
+ // browsers).\r
+ var iterate = function (el) {\r
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+ if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {\r
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+ if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {\r
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+ }\r
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+ }\r
+ }\r
+ }\r
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+ return result;\r
+ }\r
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+ }\r
+\r
+ // Delete existing TOC entries in case we're reloading the TOC.\r
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+ for (i = 0; i < toc.childNodes.length; i++) {\r
+ var entry = toc.childNodes[i];\r
+ if (entry.nodeName.toLowerCase() == 'div'\r
+ && entry.getAttribute("class")\r
+ && entry.getAttribute("class").match(/^toclevel/))\r
+ tocEntriesToRemove.push(entry);\r
+ }\r
+ for (i = 0; i < tocEntriesToRemove.length; i++) {\r
+ toc.removeChild(tocEntriesToRemove[i]);\r
+ }\r
+\r
+ // Rebuild TOC entries.\r
+ var entries = tocEntries(document.getElementById("content"), toclevels);\r
+ for (var i = 0; i < entries.length; ++i) {\r
+ var entry = entries[i];\r
+ if (entry.element.id == "")\r
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+ var a = document.createElement("a");\r
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+ a.appendChild(document.createTextNode(entry.text));\r
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+ div.className = "toclevel" + entry.toclevel;\r
+ toc.appendChild(div);\r
+ }\r
+ if (entries.length == 0)\r
+ toc.parentNode.removeChild(toc);\r
+},\r
+\r
+\r
+/////////////////////////////////////////////////////////////////////\r
+// Footnotes generator\r
+/////////////////////////////////////////////////////////////////////\r
+\r
+/* Based on footnote generation code from:\r
+ * http://www.brandspankingnew.net/archive/2005/07/format_footnote.html\r
+ */\r
+\r
+footnotes: function () {\r
+ // Delete existing footnote entries in case we're reloading the footnodes.\r
+ var i;\r
+ var noteholder = document.getElementById("footnotes");\r
+ if (!noteholder) {\r
+ return;\r
+ }\r
+ var entriesToRemove = [];\r
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+ var entry = noteholder.childNodes[i];\r
+ if (entry.nodeName.toLowerCase() == 'div' && entry.getAttribute("class") == "footnote")\r
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+ }\r
+ for (i = 0; i < entriesToRemove.length; i++) {\r
+ noteholder.removeChild(entriesToRemove[i]);\r
+ }\r
+\r
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+ var refs = {};\r
+ var n = 0;\r
+ for (i=0; i<spans.length; i++) {\r
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+ n++;\r
+ var note = spans[i].getAttribute("data-note");\r
+ if (!note) {\r
+ // Use [\s\S] in place of . so multi-line matches work.\r
+ // Because JavaScript has no s (dotall) regex flag.\r
+ note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];\r
+ spans[i].innerHTML =\r
+ "[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +\r
+ "' title='View footnote' class='footnote'>" + n + "</a>]";\r
+ spans[i].setAttribute("data-note", note);\r
+ }\r
+ noteholder.innerHTML +=\r
+ "<div class='footnote' id='_footnote_" + n + "'>" +\r
+ "<a href='#_footnoteref_" + n + "' title='Return to text'>" +\r
+ n + "</a>. " + note + "</div>";\r
+ var id =spans[i].getAttribute("id");\r
+ if (id != null) refs["#"+id] = n;\r
+ }\r
+ }\r
+ if (n == 0)\r
+ noteholder.parentNode.removeChild(noteholder);\r
+ else {\r
+ // Process footnoterefs.\r
+ for (i=0; i<spans.length; i++) {\r
+ if (spans[i].className == "footnoteref") {\r
+ var href = spans[i].getElementsByTagName("a")[0].getAttribute("href");\r
+ href = href.match(/#.*/)[0]; // Because IE return full URL.\r
+ n = refs[href];\r
+ spans[i].innerHTML =\r
+ "[<a href='#_footnote_" + n +\r
+ "' title='View footnote' class='footnote'>" + n + "</a>]";\r
+ }\r
+ }\r
+ }\r
+},\r
+\r
+install: function(toclevels) {\r
+ var timerId;\r
+\r
+ function reinstall() {\r
+ asciidoc.footnotes();\r
+ if (toclevels) {\r
+ asciidoc.toc(toclevels);\r
+ }\r
+ }\r
+\r
+ function reinstallAndRemoveTimer() {\r
+ clearInterval(timerId);\r
+ reinstall();\r
+ }\r
+\r
+ timerId = setInterval(reinstall, 500);\r
+ if (document.addEventListener)\r
+ document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false);\r
+ else\r
+ window.onload = reinstallAndRemoveTimer;\r
+}\r
+\r
+}\r
+asciidoc.install();\r
+/*]]>*/\r
+</script>\r
+</head>\r
+<body class="manpage">\r
+<div id="header">\r
+<h1>\r
+nvme-lba-status-log(1) Manual Page\r
+</h1>\r
+<h2>NAME</h2>\r
+<div class="sectionbody">\r
+<p>nvme-lba-status-log -\r
+ Send LBA Status Log Page request returns result and log\r
+</p>\r
+</div>\r
+</div>\r
+<div id="content">\r
+<div class="sect1">\r
+<h2 id="_synopsis">SYNOPSIS</h2>\r
+<div class="sectionbody">\r
+<div class="verseblock">\r
+<pre class="content"><em>nvme lba-status-log</em> <device> [--rae | -r] [--output-format=<fmt> | -o <fmt>]</pre>\r
+<div class="attribution">\r
+</div></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_description">DESCRIPTION</h2>\r
+<div class="sectionbody">\r
+<div class="paragraph"><p>Retrieves the NVMe LBA Status Log Page from an NVMe device and provides\r
+the returned structure.</p></div>\r
+<div class="paragraph"><p>The <device> parameter is mandatory and may be either the NVMe character\r
+device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).</p></div>\r
+<div class="paragraph"><p>On success, the returned LBA Status Log Page structure may be returned\r
+in one of several ways depending on the option flags; the structure may\r
+parsed by the program and printed in a readable format or the raw buffer\r
+may be printed to stdout for another program to parse.</p></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_options">OPTIONS</h2>\r
+<div class="sectionbody">\r
+<div class="dlist"><dl>\r
+<dt class="hdlist1">\r
+-r\r
+</dt>\r
+<dt class="hdlist1">\r
+--rae\r
+</dt>\r
+<dd>\r
+<p>\r
+ Retain an Asynchronous Event.\r
+</p>\r
+</dd>\r
+<dt class="hdlist1">\r
+-o <format>\r
+</dt>\r
+<dt class="hdlist1">\r
+--output-format=<format>\r
+</dt>\r
+<dd>\r
+<p>\r
+ Set the reporting format to <em>normal</em>, <em>json</em>, or <em>binary</em>.\r
+ Only one output format can be used at a time.\r
+</p>\r
+</dd>\r
+</dl></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_examples">EXAMPLES</h2>\r
+<div class="sectionbody">\r
+<div class="ulist"><ul>\r
+<li>\r
+<p>\r
+Print the LBA Status Log page in a normal readable format:\r
+</p>\r
+<div class="listingblock">\r
+<div class="content">\r
+<pre><code># nvme lba-status-log /dev/nvme0</code></pre>\r
+</div></div>\r
+</li>\r
+<li>\r
+<p>\r
+Show the output in json format\r
+</p>\r
+<div class="listingblock">\r
+<div class="content">\r
+<pre><code># nvme lba-status-log /dev/nvme0 -o json\r
++\r
+\r
+NVME</code></pre>\r
+</div></div>\r
+</li>\r
+</ul></div>\r
+<div class="paragraph"><p>Part of the nvme-user suite</p></div>\r
+</div>\r
+</div>\r
+</div>\r
+<div id="footnotes"><hr /></div>\r
+<div id="footer">\r
+<div id="footer-text">\r
+Last updated\r
+ 2021-02-23 23:41:13 IST\r
+</div>\r
+</div>\r
+</body>\r
+</html>\r
}
}
+void json_lba_status_log(void *lba_status)
+{
+ struct json_object *root;
+ struct json_object *desc;
+ struct json_object *element;
+ struct json_array *desc_list;
+ struct json_array *elements_list;
+ struct nvme_lba_status_hdr *hdr;
+ struct nvme_lba_status_ns_element *ns_element;
+ struct nvme_lba_status_range_desc *range_desc;
+ int offset = sizeof(*hdr);
+ __u32 num_lba_desc, num_elements;
+
+ root = json_create_object();
+ hdr = lba_status;
+ json_object_add_value_uint(root, "lslplen", le32_to_cpu(hdr->lslplen));
+ num_elements = le32_to_cpu(hdr->nlslne);
+ json_object_add_value_uint(root, "nlslne", num_elements);
+ json_object_add_value_uint(root, "estulb", le32_to_cpu(hdr->estulb));
+ json_object_add_value_uint(root, "lsgc", le16_to_cpu(hdr->lsgc));
+
+ elements_list = json_create_array();
+ for (int ele = 0; ele < num_elements; ele++) {
+ ns_element = lba_status + offset;
+ element = json_create_object();
+ json_object_add_value_uint(element, "neid",
+ le32_to_cpu(ns_element->neid));
+ num_lba_desc = le32_to_cpu(ns_element->nlrd);
+ json_object_add_value_uint(element, "nlrd", num_lba_desc);
+ json_object_add_value_uint(element, "ratype", ns_element->ratype);
+
+ offset += sizeof(*ns_element);
+ desc_list = json_create_array();
+ if (num_lba_desc != 0xffffffff) {
+ for (int i = 0; i < num_lba_desc; i++) {
+ range_desc = lba_status + offset;
+ desc = json_create_object();
+ json_object_add_value_uint(desc, "rslba",
+ le64_to_cpu(range_desc->rslba));
+ json_object_add_value_uint(desc, "rnlb",
+ le32_to_cpu(range_desc->rnlb));
+
+ offset += sizeof(*range_desc);
+ json_array_add_value_object(desc_list, desc);
+ }
+ } else {
+ printf("Number of LBA Range Descriptors (NLRD) set to %#x for " \
+ "NS element %d", num_lba_desc, ele);
+ }
+
+ json_object_add_value_array(element, "descs", desc_list);
+ json_array_add_value_object(elements_list, element);
+ }
+
+ json_object_add_value_array(root, "ns_elements", elements_list);
+ json_print_object(root, NULL);
+ printf("\n");
+ json_free_object(root);
+}
+
+void nvme_show_lba_status_log(void *lba_status, __u32 size,
+ const char *devname, enum nvme_print_flags flags)
+{
+ struct nvme_lba_status_hdr *hdr;
+ struct nvme_lba_status_ns_element *ns_element;
+ struct nvme_lba_status_range_desc *range_desc;
+ int offset = sizeof(*hdr);
+ __u32 num_lba_desc, num_elements;
+
+ if (flags & BINARY)
+ return d_raw((unsigned char *)lba_status, size);
+ if (flags & JSON)
+ return json_lba_status_log(lba_status);
+
+ hdr = lba_status;
+ printf("LBA Status Log for device: %s\n", devname);
+ printf("LBA Status Log Page Length: %"PRIu32"\n",
+ le32_to_cpu(hdr->lslplen));
+ num_elements = le32_to_cpu(hdr->nlslne);
+ printf("Number of LBA Status Log Namespace Elements: %"PRIu32"\n",
+ num_elements);
+ printf("Estimate of Unrecoverable Logical Blocks: %"PRIu32"\n",
+ le32_to_cpu(hdr->estulb));
+ printf("LBA Status Generation Counter: %"PRIu16"\n", le16_to_cpu(hdr->lsgc));
+ for (int ele = 0; ele < num_elements; ele++) {
+ ns_element = lba_status + offset;
+ printf("Namespace Element Identifier: %"PRIu32"\n",
+ le32_to_cpu(ns_element->neid));
+ num_lba_desc = le32_to_cpu(ns_element->nlrd);
+ printf("Number of LBA Range Descriptors: %"PRIu32"\n", num_lba_desc);
+ printf("Recommended Action Type: %u\n", ns_element->ratype);
+
+ offset += sizeof(*ns_element);
+ if (num_lba_desc != 0xffffffff) {
+ for (int i = 0; i < num_lba_desc; i++) {
+ range_desc = lba_status + offset;
+ printf("RSLBA[%d]: %"PRIu64"\n", i,
+ le64_to_cpu(range_desc->rslba));
+ printf("RNLB[%d]: %"PRIu32"\n", i,
+ le32_to_cpu(range_desc->rnlb));
+ offset += sizeof(*range_desc);
+ }
+ } else {
+ printf("Number of LBA Range Descriptors (NLRD) set to %#x for "\
+ "NS element %d\n", num_lba_desc, ele);
+ }
+ }
+}
+
static void nvme_show_subsystem(struct nvme_subsystem *s)
{
int i;
projects / users / sagi / nvme-cli.git / commitdiff